WASSCE Global Mathematics: Foundational Concepts and Past Paper Solutions

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About Course

This comprehensive course, tailored for students preparing for the West African Senior School Certificate Examination (WASSCE), provides an in-depth understanding of global mathematics. It is built on two tutorials by Samuel D. Koidia. The first lesson covers the fundamental concepts of longitudes, latitudes, and the key formulas for calculating distances on a globe. The second lesson applies these principles by walking you through solutions to actual WASSCE past paper questions, solidifying your knowledge and preparing you for your exams.

Define Longitudes and Latitudes: Understand what these imaginary lines are and how they're used to locate any point on Earth.
Identify Great and Small Circles: Differentiate between great circles (like longitudes and the equator) and small circles (latitudes).
Apply Key Formulas: Use the formulas for calculating distances along great circles and small circles. This includes understanding the variables like the Earth's radius (R) and the angular difference (θ).
Calculate Distances and Angles: Solve for values like chord length, the angle a chord subtends at the center of the Earth, and the distance between two points along the same latitude.
Find Unknown Coordinates: Use given information to calculate the missing longitude or latitude of a point on the globe. This is a common and important exam skill.
Understand Speed, Distance, and Time: Apply the relationship between these three variables in the context of global mathematics problems.